49965961 has 8 divisors (see below), whose sum is σ = 50653064. Its totient is φ = 49282560.

The previous prime is 49965931. The next prime is 49965967. The reversal of 49965961 is 16956994.

It can be written as a sum of positive squares in 4 ways, for example, as 6405961 + 43560000 = 2531^2 + 6600^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49965961 - 2⁷ = 49965833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49965967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35491 + ... + 36871.

It is an arithmetic number, because the mean of its divisors is an integer number (6331633).

Almost surely, 2^49965961 is an apocalyptic number.

It is an amenable number.

49965961 is a deficient number, since it is larger than the sum of its proper divisors (687103).

49965961 is a wasteful number, since it uses less digits than its factorization.

49965961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 524880, while the sum is 49.

The square root of 49965961 is about 7068.6604813076. The cubic root of 49965961 is about 368.3195303869.

The spelling of 49965961 in words is "forty-nine million, nine hundred sixty-five thousand, nine hundred sixty-one".